AMD FX-8150 vs. Core i5-2500K and Core i7-2600K CPU Review

The Reviewed CPUs

In the tables below, we compare the main features of the CPUs we included in this review. The Core i7-2600K supports Hyper-Threading technology, which simulates a processing core in each physical core available. Therefore, this CPU is recognized as an eight-core CPU by the operating system. The Phenom II X6 1100T doesn’t support SSE4 and AVX instructions, and its HyperTransport bus works at 2 GHz (8 GB/s), while FX-8150s work at 2.6 GHz (10.4 GB/s). Another difference between the two is in the memory controller. In the AMD FX-8150 this component works at 2.2 GHz, while in the Phenom II X6 1100T it works at 2 GHz.

CPU Cores HT Internal Clock Turbo Clock Max Turbo Core Technology TDP Socket Price
AMD FX-8150 8 No 3.6 GHz 3.9 GHz 4.2 GHz Zambezi 32 nm 125 W AM3+ USD 280
Phenom II X6 1100T 6 No 3.3 GHz 3.7 GHz 3.7 GHz Thuban 45 nm 125 W AM3 USD 190
Core i5-2500K 4 No 3.3 GHz 3.7 GHz 3.7 GHz Sandy Bridge 32 nm 95 W 1155 USD 220
Core i7-2600K 4 Yes 3.4 GHz 3.8 GHz 3.8 GHz Sandy Bridge 32 nm 95 W 1155 USD 315

The prices were researched at on the day we published this review. The MSRP for the AMD FX-8150 is USD 245; however, today’s price is way above that, probably due to the Law of Supply and Demand. We expect the price of this CPU to drop substantially in the next few weeks.

TDP stands for Thermal Design Power which tells the maximum amount of heat the CPU can dissipate. The CPU cooler must be capable of dissipating at least this amount of heat.

Below we compare the memory cache configuration of the reviewed CPUs. The L2 memory cache of the AMD FX-8150 is shared by each pair of cores. Thus, it has four L2 caches instead of eight.

CPU L1 Cache (I + D) L2 Cache L3 Cache Memory Support Memory Channels
AMD FX-8150 64 kB per module + 16 kB per core 2 MB x 4 8 MB total Up to DDR3-1866 Two
Phenom II X6 1100T 64 KB + 64 KB per core 512 KB per core 6 MB total Up to DDR3-1333 Two
Core i5-2500K 32 KB + 32 KB per core 256 KB per core 6 MB total Up to DDR3-1333 Two
Core i7-2600K 32 KB + 32 KB per core 256 KB per core 8 MB total Up to DDR3-1333 Two

Author: Gabriel Torres

Gabriel Torres is a Brazilian best-selling ICT expert, with 24 books published. He started his online career in 1996, when he launched Clube do Hardware, which is one of the oldest and largest websites about technology in Brazil. He created Hardware Secrets in 1999 to expand his knowledge outside his home country.

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